Final answer:
The Great Schism of 1054 divided the Eastern and Western Churches from the Catholic perspective. The split was due to linguistic and cultural differences, as well as differences in practices and beliefs. The Western Church, headquartered in Rome, operated in Latin and elevated the Pope's authority, while the Eastern Church, headquartered in Constantinople, used Greek and believed in the authority of other patriarchs.
Step-by-step explanation:
The main division between the two Faiths, from the Catholic perspective, is known as the Great Schism of 1054. This event led to the split of the Eastern Orthodox Church and the Roman Catholic Church. The split was primarily driven by linguistic and cultural differences, as well as differences in practices and beliefs. The Western Church, headquartered in Rome, operated in Latin, insisted on celibate clergy, and elevated the Pope as the final authority. The Eastern Church, headquartered in Constantinople, used Greek, allowed priests to marry, and believed other patriarchs were equally authoritative. The differences deepened with the Protestant Reformation, which led to further divisions within the Western Church.